Pemphigoid nodularis - Revision history

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			{{Infobox medical condition
			\| name = Pemphigoid nodularis
			\| synonyms = [[Nodular pemphigoid]]
			\| specialty = [[Dermatology]]
			\| symptoms = [[Nodules]], [[blisters]], [[itching]]
			\| complications = [[Infection]], [[scarring]]
			\| onset = Typically in [[adulthood]]
			\| duration = [[Chronic]]
			\| causes = [[Autoimmune disorder]]
			\| risks = [[Age]], [[genetic predisposition]]
			\| diagnosis = [[Skin biopsy]], [[immunofluorescence]]
			\| differential = [[Pemphigus vulgaris]], [[dermatitis herpetiformis]]
			\| treatment = [[Corticosteroids]], [[immunosuppressants]]
			\| medication = [[Prednisone]], [[azathioprine]]
			\| prognosis = [[Variable]], can be [[managed]] with treatment
			\| frequency = [[Rare]]
			}}
	'''Pemphigoid nodularis''' is a rare variant of [[Bullous pemphigoid]], a chronic autoimmune skin disease. It is characterized by the presence of nodular lesions, in addition to the typical blistering lesions seen in bullous pemphigoid.		'''Pemphigoid nodularis''' is a rare variant of [[Bullous pemphigoid]], a chronic autoimmune skin disease. It is characterized by the presence of nodular lesions, in addition to the typical blistering lesions seen in bullous pemphigoid.

	== Clinical Features ==		== Clinical Features ==

	Patients with pemphigoid nodularis present with pruritic, nodular lesions that may be accompanied by vesicles or bullae. The nodules are typically firm and may be located anywhere on the body, but are most commonly found on the extremities. The vesicles or bullae are usually tense and filled with clear fluid.		Patients with pemphigoid nodularis present with pruritic, nodular lesions that may be accompanied by vesicles or bullae. The nodules are typically firm and may be located anywhere on the body, but are most commonly found on the extremities. The vesicles or bullae are usually tense and filled with clear fluid.

	== Pathogenesis ==		== Pathogenesis ==

	The pathogenesis of pemphigoid nodularis is not fully understood. It is thought to be an autoimmune disease, with autoantibodies targeting the basement membrane zone of the skin. This leads to inflammation and the formation of blisters.		The pathogenesis of pemphigoid nodularis is not fully understood. It is thought to be an autoimmune disease, with autoantibodies targeting the basement membrane zone of the skin. This leads to inflammation and the formation of blisters.

	== Diagnosis ==		== Diagnosis ==

	Diagnosis of pemphigoid nodularis is based on clinical features, histopathological examination, and immunofluorescence studies. Histopathology typically shows a subepidermal blister with a dense eosinophilic infiltrate. Direct immunofluorescence shows linear deposition of IgG and C3 along the basement membrane zone.		Diagnosis of pemphigoid nodularis is based on clinical features, histopathological examination, and immunofluorescence studies. Histopathology typically shows a subepidermal blister with a dense eosinophilic infiltrate. Direct immunofluorescence shows linear deposition of IgG and C3 along the basement membrane zone.

	== Treatment ==		== Treatment ==

	Treatment of pemphigoid nodularis involves the use of systemic corticosteroids and immunosuppressive agents. Topical corticosteroids may also be used for localized disease.		Treatment of pemphigoid nodularis involves the use of systemic corticosteroids and immunosuppressive agents. Topical corticosteroids may also be used for localized disease.

	== Prognosis ==		== Prognosis ==

	The prognosis of pemphigoid nodularis is generally good with treatment. However, the disease tends to be chronic and may require long-term management.		The prognosis of pemphigoid nodularis is generally good with treatment. However, the disease tends to be chronic and may require long-term management.

	== See Also ==		== See Also ==
	* [[Bullous pemphigoid]]		* [[Bullous pemphigoid]]
	* [[Autoimmune diseases]]		* [[Autoimmune diseases]]
	* [[Dermatology]]		* [[Dermatology]]

	== References ==		== References ==
	<references />		<references />

	[[Category:Dermatology]]		[[Category:Dermatology]]
	[[Category:Autoimmune diseases]]		[[Category:Autoimmune diseases]]

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'''Pemphigoid nodularis''' is a rare variant of [[Bullous pemphigoid]], a chronic autoimmune skin disease. It is characterized by the presence of nodular lesions, in addition to the typical blistering lesions seen in bullous pemphigoid.

== Clinical Features ==

Patients with pemphigoid nodularis present with pruritic, nodular lesions that may be accompanied by vesicles or bullae. The nodules are typically firm and may be located anywhere on the body, but are most commonly found on the extremities. The vesicles or bullae are usually tense and filled with clear fluid.

== Pathogenesis ==

The pathogenesis of pemphigoid nodularis is not fully understood. It is thought to be an autoimmune disease, with autoantibodies targeting the basement membrane zone of the skin. This leads to inflammation and the formation of blisters.

== Diagnosis ==

Diagnosis of pemphigoid nodularis is based on clinical features, histopathological examination, and immunofluorescence studies. Histopathology typically shows a subepidermal blister with a dense eosinophilic infiltrate. Direct immunofluorescence shows linear deposition of IgG and C3 along the basement membrane zone.

== Treatment ==

Treatment of pemphigoid nodularis involves the use of systemic corticosteroids and immunosuppressive agents. Topical corticosteroids may also be used for localized disease.

== Prognosis ==

The prognosis of pemphigoid nodularis is generally good with treatment. However, the disease tends to be chronic and may require long-term management.

== See Also ==
* [[Bullous pemphigoid]]
* [[Autoimmune diseases]]
* [[Dermatology]]

== References ==
<references />

[[Category:Dermatology]]
[[Category:Autoimmune diseases]]
[[Category:Skin diseases]]
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